diff --git a/c/src/lib/libbsp/m68k/sim68000/ChangeLog b/c/src/lib/libbsp/m68k/sim68000/ChangeLog
index 2789fd3aab..b935f11169 100644
--- a/c/src/lib/libbsp/m68k/sim68000/ChangeLog
+++ b/c/src/lib/libbsp/m68k/sim68000/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-11	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* console/debugio.c: Include <unistd.h>.
+
 2009-10-21	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* make/custom/sim68000.cfg: Remove RTEMS_BSP_FAMILY.
diff --git a/c/src/lib/libbsp/m68k/sim68000/console/debugio.c b/c/src/lib/libbsp/m68k/sim68000/console/debugio.c
index 26487c68c2..b788114b05 100644
--- a/c/src/lib/libbsp/m68k/sim68000/console/debugio.c
+++ b/c/src/lib/libbsp/m68k/sim68000/console/debugio.c
@@ -14,6 +14,8 @@
  *  $Id$
  */
 
+#include <unistd.h> /* write */
+
 #include <bsp.h>
 #include <rtems/bspIo.h>